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Survey of the actual skin condition of women with dark skin (skintone 9-12)

Survey of the actual skin condition of women with dark skin (skintone 9-12) - Survey of the actual skin condition of women with dark skin

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000060575
Enrollment
100
Registered
2026-02-09
Start date
2026-01-24
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

None listed

Sponsors

Kao Corporation
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Healthy female aged 20-59 2. Person whose skintone is classified as 9-12. 3. Person who is from the Middle East, North Africa, Central|South America, or Central|South Africa, or who has at least one parent from those regions. 4. Person who can communicate in Japanese or English. 5. Person who has a smartphone with a working standard camera app and an internet connection.

Exclusion criteria

Exclusion criteria: 1. Person who has undergone at least one photofacial, laser, or other cosmetic procedure within the past month. 2. Person who has a tattoo on the measurement area (face). 3. Person who is pregnant or breastfeeding at the time of consent. 4. Person who is attending a medical institution due to a physical condition or skin disease. 5. Person whose household members are engaged in advertising agencies, research|consultancy, mass media, distribution, or the manufacturing of pharmaceuticals, cosmetics, toiletries, or sanitary products. 6. Person who is deemed by the principal investigator to be unsuitable for participation in the research due to other non-compliance obligations, etc.

Design outcomes

Primary

MeasureTime frame
Correlation between images and skin condition values

Countries

Japan

Contacts

Public ContactMai Sato

Kao Corporation Skin Beauty 1 Products Research Lab.

Satou.mai2@kao.com+81-70-3300-8579

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026